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From http://www.jwz.org/xscreensaver/xscreensaver-5.38.tar.gz
[xscreensaver]
/
hacks
/
glx
/
moebius.c
diff --git
a/hacks/glx/moebius.c
b/hacks/glx/moebius.c
index 80a8246381a171d7c2036ce94e9238187d1ae0d2..5fe2d9b8a8c4f43438ee51932eff61010bd6ff5a 100644
(file)
--- a/
hacks/glx/moebius.c
+++ b/
hacks/glx/moebius.c
@@
-79,7
+79,7
@@
static const char sccsid[] = "@(#)moebius.c 5.01 2001/03/01 xlockmore";
#ifdef STANDALONE
# define MODE_moebius
#ifdef STANDALONE
# define MODE_moebius
-# define
refresh
_moebius 0
+# define
free
_moebius 0
# define release_moebius 0
# define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n" \
# define release_moebius 0
# define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n" \
@@
-564,8
+564,14
@@
ENTRYPOINT void
reshape_moebius (ModeInfo * mi, int width, int height)
{
moebiusstruct *mp = &moebius[MI_SCREEN(mi)];
reshape_moebius (ModeInfo * mi, int width, int height)
{
moebiusstruct *mp = &moebius[MI_SCREEN(mi)];
+ int y = 0;
- glViewport(0, 0, mp->WindW = (GLint) width, mp->WindH = (GLint) height);
+ if (width > height * 5) { /* tiny window: show middle */
+ height = width;
+ y = -height/2;
+ }
+
+ glViewport(0, y, mp->WindW = (GLint) width, mp->WindH = (GLint) height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 15.0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 15.0);
@@
-673,7
+679,7
@@
init_moebius (ModeInfo * mi)
{
moebiusstruct *mp;
{
moebiusstruct *mp;
- MI_INIT (mi, moebius
, NULL
);
+ MI_INIT (mi, moebius);
mp = &moebius[MI_SCREEN(mi)];
mp->step = NRAND(90);
mp->ant_position = NRAND(90);
mp = &moebius[MI_SCREEN(mi)];
mp->step = NRAND(90);
mp->ant_position = NRAND(90);